======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '182'
                                          'artist'  'P Pares'
                                     'text_people'  ''
                                         'release'  'Southern 45 rpm 1964 MQ 45-746'
                                           'title'  'Le Petit Train'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-3', 'q-chart-2', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1964'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '138.45'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'Southern 45 rpm 1964 MQ 45-746'
'TBPM' (BPM (beats per minute))                     '138.45'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-unsorted', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1964'
'TIT2' (Title/songname/content description)         'Le Petit Train'
'TKEY' (Initial key)                                '9B'
'TLEN' (Length)                                     '182000'
'TPE1' (Lead performer(s)/Soloist(s))               'P Pares'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.67 dB'
'TXXX:replaygain_track_peak'                        '0.782779'

========================== row from database ==========================
                                              'id'  1530546
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/southern 78_s & 45_s - 1960-1964/20 Le Petit Train (P Pares).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  182
                                           'genre'  prerock-unsorted;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  2929852
                                           'mtime'  1620346137
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country southern 78_s & 45_s 1960 20 (P Pares) prerock unsorted;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  P Pares
                                     'tag_release'  Southern 45 rpm 1964 MQ 45-746
                                       'tag_title'  Le Petit Train
                                             'bpm'  138.45
                                    'search_title'  'le':1 'petit':2 'train':3
                                   'search_artist'  'p':1 'pares':2
                                  'search_release'  '1964':4 '45':2,6 '45746':8 '746':7 'mq':5 'rpm':3 'southern':1
                                     'search_rest'  '1960':10 '20':11 '45':8 '78':6 'country':4 'exotica':2 'jazz':1 'mor':26 'oldies':3 'p':12,13 'pares':14,15 'pl':21 'prerock':16 's':7,9 'set':18,20,23,25 'shirleyspinoza':22,24 'southern':5 'unsorted':17,19
                                    'search_combo'  '1960':23 '1964':9C '20':24 '45':7C,11C,21 '45746':13C '746':12C '78':19 'country':17 'exotica':15 'jazz':14 'le':1A 'mor':39 'mq':10C 'oldies':16 'p':4B,25,26 'pares':5B,27,28 'petit':2A 'pl':34 'prerock':29 'rpm':8C 's':20,22 'set':31,33,36,38 'shirleyspinoza':35,37 'southern':6C,18 'train':3A 'unsorted':30,32
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1964
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620346136.5318944  (2021-05-07 02:08:56)
                             'size'  2929852